How to Identify and Classify Black-Eyed Peas - Exam
  • 1. What plant family do black-eyed peas belong to?
A) Fabaceae (Legume)
B) Brassicaceae (Mustard)
C) Poaceae (Grass)
D) Solanaceae (Nightshade)
  • 2. What is the scientific name for black-eyed peas?
A) Vigna unguiculata
B) Glycine max
C) Phaseolus vulgaris
D) Pisum sativum
  • 3. Black-eyed peas are typically grown as what type of crop?
A) Triennial
B) Perennial
C) Annual
D) Biennial
  • 4. Which part of the black-eyed pea plant is primarily consumed?
A) Roots
B) Stems
C) Seeds (peas)
D) Leaves
  • 5. What climate is most suitable for growing black-eyed peas?
A) Cool and shady
B) Dry and windy
C) Cold and wet
D) Warm and sunny
  • 6. What is a common indicator of a mature black-eyed pea pod ready for harvest?
A) Pod is dry and yellowish
B) Pod is soft and squishy
C) Pod is green and plump
D) Pod is purple and shiny
  • 7. What soil type is best for black-eyed peas?
A) Heavy clay soil
B) Well-drained sandy loam
C) Waterlogged soil
D) Rocky soil
  • 8. What is a common pest that affects black-eyed peas?
A) Aphids
B) Butterflies
C) Ladybugs
D) Earthworms
  • 9. What is a common disease that affects black-eyed peas?
A) Anthracnose
B) Powdery mildew
C) Rust
D) Fusarium wilt
  • 10. What is the typical color of the 'eye' on a black-eyed pea?
A) Red
B) Green
C) Black or dark brown
D) White
  • 11. Which continent is believed to be the origin of black-eyed peas?
A) South America
B) Europe
C) Asia
D) Africa
  • 12. What is one way to improve black-eyed pea yields through soil management?
A) Overwatering
B) Soil compaction
C) Nitrogen fixation
D) Excessive fertilization
  • 13. Why are black-eyed peas often planted as a cover crop?
A) To provide shade only
B) To deplete soil nutrients
C) To improve soil health
D) To attract pollinators only
  • 14. What is the approximate time from planting to harvest for black-eyed peas?
A) 120-150 days
B) 180-210 days
C) 30-45 days
D) 60-90 days
  • 15. What is a characteristic feature used to differentiate black-eyed pea varieties?
A) Flower size
B) Pod length
C) Stem thickness
D) Root color
  • 16. What is a common method of preserving black-eyed peas?
A) Roasting
B) Drying
C) Fermenting
D) Pickling
  • 17. What is the role of the hilum on a black-eyed pea seed?
A) Nutrient storage
B) Protection against pests
C) Attachment point to the pod
D) Germination indicator
  • 18. What is a common use of black-eyed peas in Southern US cuisine?
A) Sushi
B) Pad Thai
C) Hoppin' John
D) Gazpacho
  • 19. Which of the following is a benefit of eating black-eyed peas?
A) Low in carbohydrates
B) High in saturated fat
C) Lacking in protein
D) High in fiber
  • 20. What is a typical planting depth for black-eyed pea seeds?
A) 1-2 inches
B) 0.25 inch
C) 4-5 inches
D) 6-7 inches
  • 21. What is the importance of crop rotation when growing black-eyed peas?
A) To prevent soilborne diseases
B) To deplete soil nutrients faster
C) To attract more pests
D) To reduce the need for irrigation
  • 22. What type of pollination do black-eyed peas typically undergo?
A) Self-pollination
B) Water pollination
C) Wind pollination
D) Insect pollination
  • 23. Which part of the world has the highest production of black-eyed peas?
A) South America
B) Europe
C) Australia
D) West Africa
  • 24. Why are black-eyed peas considered a good source of protein?
A) Contain high amounts of saturated fats
B) Contain minimal micronutrients
C) Contain high levels of amino acids
D) Contain large amounts of simple sugars
  • 25. How does proper spacing between black-eyed pea plants affect yield?
A) Increases competition for water
B) Promotes disease spread
C) Decreases nutrient availability
D) Increases air circulation and sunlight exposure
  • 26. What role do Rhizobia bacteria play in black-eyed pea cultivation?
A) Cause root rot diseases
B) Act as a herbicide
C) Fix atmospheric nitrogen in the soil
D) Repel beneficial insects
  • 27. What is a disadvantage of overhead irrigation for black-eyed peas?
A) Decreases nutrient runoff
B) Increases soil aeration
C) Can promote fungal diseases
D) Reduces water usage
  • 28. What is the recommended pH range for growing black-eyed peas?
A) 5.5 - 6.5
B) 7.0 - 8.0
C) 8.5 - 9.5
D) 4.0 - 5.0
  • 29. Which of the following is NOT a typical use for black-eyed peas?
A) Human consumption
B) Animal feed
C) Cover crop
D) As a biofuel source
  • 30. What is a potential consequence of harvesting black-eyed peas too late?
A) Easier shelling of peas
B) Increased sweetness of peas
C) Seed shatter (loss of peas)
D) Improved seed germination rate
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